Related Experiment Video
Updated: Aug 20, 2026

10:51
Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans
Published on: January 15, 2018
[Sensomotory performance with arbitrary and fixed rhythm of hand movements]
Meditsina Truda I Promyshlennaia Ekologiia
|December 8, 2004
Abstract:
Experimental study covered females of three age groups and revealed variation differences in time of arbitrary rhythmichand movements (tapping-test) and of movents with fixed rhythm of response to light. Their difference is represented as additional time for associations between cortical centers in regulation of hand movements.
Related Concept Videos
Fixed Action Patterns
A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.
Hierarchy of Motor Control
The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.

